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Dergiler / Eurasian Dental Research / 2026 / Volume: 3 Issue: 1

Comparative Evaluation of Surface Hardness and Color Stability of Dental Composites with Different Photoinitiators

Zafer Ege Keser(ALTINBAŞ ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ)0009-0000-8417-7900
Musa Kazım Üçüncü(SAĞLIK BİLİMLERİ ÜNİVERSİTESİ, DİŞ HEKİMLİĞİ FAKÜLTESİ)0000-0002-2352-8532
Sayfa
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Yayın Tarihi
2025-04-30
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Conclusion The compositional structure of the composite material and the photoinitiator mechanism used are directly related to the formation of its mechanical properties.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Aim This study aims to comparatively investigate the color stability and microhardness values of dental composites with different photoinitiators.
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Temel Bulgular & Veri:A total of 30 composite discs were evenly divided for surface microhardness and ΔE measurements.
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Sonuç & Katkı:Conclusion The compositional structure of the composite material and the photoinitiator mechanism used are directly related to the formation of its mechanical properties.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Camphorquinone · Color stability · Dental composite

Abstract

Aim This study aims to comparatively investigate the color stability and microhardness values of dental composites with different photoinitiators. Material and method In the study, Ivoclar Tetric N-Ceram, Dentac Parion, and FGM Llis composites were used. A total of 30 composite discs were evenly divided for surface microhardness and ΔE measurements. Each subgroup contained 5 composite discs (Diameter: 5 mm, Thickness: 2 mm). Before the experimental procedures, all composite discs were aged in a coffee solution for one week. Surface microhardness was measured using the Vickers Hardness Test device, while color stability was assessed with a spectrophotometer. One-way ANOVA and Two-Way Repeated Measures ANOVA with Bonferroni-adjusted pairwise comparisons were applied. Results No statistically significant difference was observed among the three dental composite groups in terms of color stability (p > 0.05). However, their color stability performance ranked from highest to lowest as follows: Llis (3.13 ± 0.42) > Parion (2.76 ± 0.57) > Tetric N-Ceram (2.70 ± 0.76). In contrast, a statistically significant difference was detected among the groups regarding surface microhardness (p < 0.05). Llis exhibited significantly higher values compared to Tetric N-Ceram and Parion (p < 0.05). Conclusion The compositional structure of the composite material and the photoinitiator mechanism used are directly related to the formation of its mechanical properties.

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Bu Makaleye Atıf Yap

Keser, Z. E., Üçüncü, M. K. (2025). Comparative Evaluation of Surface Hardness and Color Stability of Dental Composites with Different Photoinitiators. Eurasian Dental Research, Volume: 3 Issue: 1. https://doi.org/10.62243/edr.1660530

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